libpcsxcore/psxbios.c

   1 /***************************************************************************
   2  *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
  18  ***************************************************************************/
  19
  20 /*
  21  * Internal simulated HLE BIOS.
  22  */
  23
  24 // TODO: implement all system calls, count the exact CPU cycles of system calls.
  25
  26 #include "psxbios.h"
  27 #include "psxhw.h"
  28 #include "gpu.h"
  29 #include <zlib.h>
  30
  31 #undef SysPrintf
  32 #define SysPrintf if (Config.PsxOut) printf
  33
  34 char *biosA0n[256] = {
  35 // 0x00
  36         "open",         "lseek",        "read",         "write",
  37         "close",        "ioctl",        "exit",         "sys_a0_07",
  38         "getc",         "putc",         "todigit",      "atof",
  39         "strtoul",      "strtol",       "abs",          "labs",
  40 // 0x10
  41         "atoi",         "atol",         "atob",         "setjmp",
  42         "longjmp",      "strcat",       "strncat",      "strcmp",
  43         "strncmp",      "strcpy",       "strncpy",      "strlen",
  44         "index",        "rindex",       "strchr",       "strrchr",
  45 // 0x20
  46         "strpbrk",      "strspn",       "strcspn",      "strtok",
  47         "strstr",       "toupper",      "tolower",      "bcopy",
  48         "bzero",        "bcmp",         "memcpy",       "memset",
  49         "memmove",      "memcmp",       "memchr",       "rand",
  50 // 0x30
  51         "srand",        "qsort",        "strtod",       "malloc",
  52         "free",         "lsearch",      "bsearch",      "calloc",
  53         "realloc",      "InitHeap",     "_exit",        "getchar",
  54         "putchar",      "gets",         "puts",         "printf",
  55 // 0x40
  56         "sys_a0_40",            "LoadTest",                                     "Load",         "Exec",
  57         "FlushCache",           "InstallInterruptHandler",      "GPU_dw",       "mem2vram",
  58         "SendGPUStatus",        "GPU_cw",                                       "GPU_cwb",      "SendPackets",
  59         "sys_a0_4c",            "GetGPUStatus",                         "GPU_sync",     "sys_a0_4f",
  60 // 0x50
  61         "sys_a0_50",            "LoadExec",                             "GetSysSp",             "sys_a0_53",
  62         "_96_init()",           "_bu_init()",                   "_96_remove()", "sys_a0_57",
  63         "sys_a0_58",            "sys_a0_59",                    "sys_a0_5a",    "dev_tty_init",
  64         "dev_tty_open",         "sys_a0_5d",                    "dev_tty_ioctl","dev_cd_open",
  65 // 0x60
  66         "dev_cd_read",          "dev_cd_close",                 "dev_cd_firstfile",     "dev_cd_nextfile",
  67         "dev_cd_chdir",         "dev_card_open",                "dev_card_read",        "dev_card_write",
  68         "dev_card_close",       "dev_card_firstfile",   "dev_card_nextfile","dev_card_erase",
  69         "dev_card_undelete","dev_card_format",          "dev_card_rename",      "dev_card_6f",
  70 // 0x70
  71         "_bu_init",                     "_96_init",             "_96_remove",           "sys_a0_73",
  72         "sys_a0_74",            "sys_a0_75",    "sys_a0_76",            "sys_a0_77",
  73         "_96_CdSeekL",          "sys_a0_79",    "sys_a0_7a",            "sys_a0_7b",
  74         "_96_CdGetStatus",      "sys_a0_7d",    "_96_CdRead",           "sys_a0_7f",
  75 // 0x80
  76         "sys_a0_80",            "sys_a0_81",    "sys_a0_82",            "sys_a0_83",
  77         "sys_a0_84",            "_96_CdStop",   "sys_a0_86",            "sys_a0_87",
  78         "sys_a0_88",            "sys_a0_89",    "sys_a0_8a",            "sys_a0_8b",
  79         "sys_a0_8c",            "sys_a0_8d",    "sys_a0_8e",            "sys_a0_8f",
  80 // 0x90
  81         "sys_a0_90",            "sys_a0_91",    "sys_a0_92",            "sys_a0_93",
  82         "sys_a0_94",            "sys_a0_95",    "AddCDROMDevice",       "AddMemCardDevide",
  83         "DisableKernelIORedirection",           "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
  84         "SetConf",                      "GetConf",              "sys_a0_9e",            "SetMem",
  85 // 0xa0
  86         "_boot",                        "SystemError",  "EnqueueCdIntr",        "DequeueCdIntr",
  87         "sys_a0_a4",            "ReadSector",   "get_cd_status",        "bufs_cb_0",
  88         "bufs_cb_1",            "bufs_cb_2",    "bufs_cb_3",            "_card_info",
  89         "_card_load",           "_card_auto",   "bufs_cd_4",            "sys_a0_af",
  90 // 0xb0
  91         "sys_a0_b0",            "sys_a0_b1",    "do_a_long_jmp",        "sys_a0_b3",
  92         "?? sub_function",
  93 };
  94
  95 char *biosB0n[256] = {
  96 // 0x00
  97         "SysMalloc",            "sys_b0_01",    "sys_b0_02",    "sys_b0_03",
  98         "sys_b0_04",            "sys_b0_05",    "sys_b0_06",    "DeliverEvent",
  99         "OpenEvent",            "CloseEvent",   "WaitEvent",    "TestEvent",
 100         "EnableEvent",          "DisableEvent", "OpenTh",               "CloseTh",
 101 // 0x10
 102         "ChangeTh",                     "sys_b0_11",    "InitPAD",              "StartPAD",
 103         "StopPAD",                      "PAD_init",             "PAD_dr",               "ReturnFromExecption",
 104         "ResetEntryInt",        "HookEntryInt", "sys_b0_1a",    "sys_b0_1b",
 105         "sys_b0_1c",            "sys_b0_1d",    "sys_b0_1e",    "sys_b0_1f",
 106 // 0x20
 107         "UnDeliverEvent",       "sys_b0_21",    "sys_b0_22",    "sys_b0_23",
 108         "sys_b0_24",            "sys_b0_25",    "sys_b0_26",    "sys_b0_27",
 109         "sys_b0_28",            "sys_b0_29",    "sys_b0_2a",    "sys_b0_2b",
 110         "sys_b0_2c",            "sys_b0_2d",    "sys_b0_2e",    "sys_b0_2f",
 111 // 0x30
 112         "sys_b0_30",            "sys_b0_31",    "open",                 "lseek",
 113         "read",                         "write",                "close",                "ioctl",
 114         "exit",                         "sys_b0_39",    "getc",                 "putc",
 115         "getchar",                      "putchar",              "gets",                 "puts",
 116 // 0x40
 117         "cd",                           "format",               "firstfile",    "nextfile",
 118         "rename",                       "delete",               "undelete",             "AddDevice",
 119         "RemoteDevice",         "PrintInstalledDevices", "InitCARD", "StartCARD",
 120         "StopCARD",                     "sys_b0_4d",    "_card_write",  "_card_read",
 121 // 0x50
 122         "_new_card",            "Krom2RawAdd",  "sys_b0_52",    "sys_b0_53",
 123         "_get_errno",           "_get_error",   "GetC0Table",   "GetB0Table",
 124         "_card_chan",           "sys_b0_59",    "sys_b0_5a",    "ChangeClearPAD",
 125         "_card_status",         "_card_wait",
 126 };
 127
 128 char *biosC0n[256] = {
 129 // 0x00
 130         "InitRCnt",                       "InitException",              "SysEnqIntRP",          "SysDeqIntRP",
 131         "get_free_EvCB_slot", "get_free_TCB_slot",      "ExceptionHandler",     "InstallExeptionHandler",
 132         "SysInitMemory",          "SysInitKMem",                "ChangeClearRCnt",      "SystemError",
 133         "InitDefInt",             "sys_c0_0d",                  "sys_c0_0e",            "sys_c0_0f",
 134 // 0x10
 135         "sys_c0_10",              "sys_c0_11",                  "InstallDevices",       "FlushStfInOutPut",
 136         "sys_c0_14",              "_cdevinput",                 "_cdevscan",            "_circgetc",
 137         "_circputc",              "ioabort",                    "sys_c0_1a",            "KernelRedirect",
 138         "PatchAOTable",
 139 };
 140
 141 //#define r0 (psxRegs.GPR.n.r0)
 142 #define at (psxRegs.GPR.n.at)
 143 #define v0 (psxRegs.GPR.n.v0)
 144 #define v1 (psxRegs.GPR.n.v1)
 145 #define a0 (psxRegs.GPR.n.a0)
 146 #define a1 (psxRegs.GPR.n.a1)
 147 #define a2 (psxRegs.GPR.n.a2)
 148 #define a3 (psxRegs.GPR.n.a3)
 149 #define t0 (psxRegs.GPR.n.t0)
 150 #define t1 (psxRegs.GPR.n.t1)
 151 #define t2 (psxRegs.GPR.n.t2)
 152 #define t3 (psxRegs.GPR.n.t3)
 153 #define t4 (psxRegs.GPR.n.t4)
 154 #define t5 (psxRegs.GPR.n.t5)
 155 #define t6 (psxRegs.GPR.n.t6)
 156 #define t7 (psxRegs.GPR.n.t7)
 157 #define t8 (psxRegs.GPR.n.t8)
 158 #define t9 (psxRegs.GPR.n.t9)
 159 #define s0 (psxRegs.GPR.n.s0)
 160 #define s1 (psxRegs.GPR.n.s1)
 161 #define s2 (psxRegs.GPR.n.s2)
 162 #define s3 (psxRegs.GPR.n.s3)
 163 #define s4 (psxRegs.GPR.n.s4)
 164 #define s5 (psxRegs.GPR.n.s5)
 165 #define s6 (psxRegs.GPR.n.s6)
 166 #define s7 (psxRegs.GPR.n.s7)
 167 #define k0 (psxRegs.GPR.n.k0)
 168 #define k1 (psxRegs.GPR.n.k1)
 169 #define gp (psxRegs.GPR.n.gp)
 170 #define sp (psxRegs.GPR.n.sp)
 171 #define fp (psxRegs.GPR.n.s8)
 172 #define ra (psxRegs.GPR.n.ra)
 173 #define pc0 (psxRegs.pc)
 174
 175 #define Ra0 ((char *)PSXM(a0))
 176 #define Ra1 ((char *)PSXM(a1))
 177 #define Ra2 ((char *)PSXM(a2))
 178 #define Ra3 ((char *)PSXM(a3))
 179 #define Rv0 ((char *)PSXM(v0))
 180 #define Rsp ((char *)PSXM(sp))
 181
 182 typedef struct {
 183         u32 desc;
 184         s32 status;
 185         s32 mode;
 186         u32 fhandler;
 187 } EvCB[32];
 188
 189 #define EvStUNUSED      0x0000
 190 #define EvStWAIT        0x1000
 191 #define EvStACTIVE      0x2000
 192 #define EvStALREADY 0x4000
 193
 194 #define EvMdINTR        0x1000
 195 #define EvMdNOINTR      0x2000
 196
 197 /*
 198 typedef struct {
 199         s32 next;
 200         s32 func1;
 201         s32 func2;
 202         s32 pad;
 203 } SysRPst;
 204 */
 205
 206 typedef struct {
 207         s32 status;
 208         s32 mode;
 209         u32 reg[32];
 210         u32 func;
 211 } TCB;
 212
 213 typedef struct {
 214         u32 _pc0;
 215         u32 gp0;
 216         u32 t_addr;
 217         u32 t_size;
 218         u32 d_addr;
 219         u32 d_size;
 220         u32 b_addr;
 221         u32 b_size;
 222         u32 S_addr;
 223         u32 s_size;
 224         u32 _sp, _fp, _gp, ret, base;
 225 } EXEC;
 226
 227 struct DIRENTRY {
 228         char name[20];
 229         s32 attr;
 230         s32 size;
 231         u32 next;
 232         s32 head;
 233         char system[4];
 234 };
 235
 236 typedef struct {
 237         char name[32];
 238         u32  mode;
 239         u32  offset;
 240         u32  size;
 241         u32  mcfile;
 242 } FileDesc;
 243
 244 static u32 *jmp_int = NULL;
 245 static int *pad_buf = NULL;
 246 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
 247 static int pad_buf1len, pad_buf2len;
 248
 249 static u32 regs[35];
 250 static EvCB *Event;
 251 static EvCB *HwEV; // 0xf0
 252 static EvCB *EvEV; // 0xf1
 253 static EvCB *RcEV; // 0xf2
 254 static EvCB *UeEV; // 0xf3
 255 static EvCB *SwEV; // 0xf4
 256 static EvCB *ThEV; // 0xff
 257 static u32 *heap_addr = NULL;
 258 static u32 *heap_end = NULL;
 259 static u32 SysIntRP[8];
 260 static int CardState = -1;
 261 static TCB Thread[8];
 262 static int CurThread = 0;
 263 static FileDesc FDesc[32];
 264 static u32 card_active_chan;
 265
 266 boolean hleSoftCall = FALSE;
 267
 268 static inline void softCall(u32 pc) {
 269         pc0 = pc;
 270         ra = 0x80001000;
 271
 272         hleSoftCall = TRUE;
 273
 274         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 275
 276         hleSoftCall = FALSE;
 277 }
 278
 279 static inline void softCall2(u32 pc) {
 280         u32 sra = ra;
 281         pc0 = pc;
 282         ra = 0x80001000;
 283
 284         hleSoftCall = TRUE;
 285
 286         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 287         ra = sra;
 288
 289         hleSoftCall = FALSE;
 290 }
 291
 292 static inline void DeliverEvent(u32 ev, u32 spec) {
 293         if (Event[ev][spec].status != EvStACTIVE) return;
 294
 295 //      Event[ev][spec].status = EvStALREADY;
 296         if (Event[ev][spec].mode == EvMdINTR) {
 297                 softCall2(Event[ev][spec].fhandler);
 298         } else Event[ev][spec].status = EvStALREADY;
 299 }
 300
 301 static inline void SaveRegs() {
 302         memcpy(regs, psxRegs.GPR.r, 32*4);
 303         regs[32] = psxRegs.GPR.n.lo;
 304         regs[33] = psxRegs.GPR.n.hi;
 305         regs[34] = psxRegs.pc;
 306 }
 307
 308 static inline void LoadRegs() {
 309         memcpy(psxRegs.GPR.r, regs, 32*4);
 310         psxRegs.GPR.n.lo = regs[32];
 311         psxRegs.GPR.n.hi = regs[33];
 312 }
 313
 314 /*                                           *
 315 //                                           *
 316 //                                           *
 317 //               System calls A0             */
 318
 319
 320 void psxBios_abs() { // 0x0e
 321         if ((s32)a0 < 0) v0 = -(s32)a0;
 322         else v0 = a0;
 323         pc0 = ra;
 324 }
 325
 326 void psxBios_labs() { // 0x0f
 327         psxBios_abs();
 328 }
 329
 330 void psxBios_atoi() { // 0x10
 331         s32 n = 0, f = 0;
 332         char *p = (char *)Ra0;
 333
 334         for (;;p++) {
 335                 switch (*p) {
 336                         case ' ': case '\t': continue;
 337                         case '-': f++;
 338                         case '+': p++;
 339                 }
 340                 break;
 341         }
 342
 343         while (*p >= '0' && *p <= '9') {
 344                 n = n * 10 + *p++ - '0';
 345         }
 346
 347         v0 = (f ? -n : n);
 348         pc0 = ra;
 349 }
 350
 351 void psxBios_atol() { // 0x11
 352         psxBios_atoi();
 353 }
 354
 355 void psxBios_setjmp() { // 0x13
 356         u32 *jmp_buf = (u32 *)Ra0;
 357         int i;
 358
 359 #ifdef PSXBIOS_LOG
 360         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
 361 #endif
 362
 363         jmp_buf[0] = ra;
 364         jmp_buf[1] = sp;
 365         jmp_buf[2] = fp;
 366         for (i = 0; i < 8; i++) // s0-s7
 367                 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
 368         jmp_buf[11] = gp;
 369
 370         v0 = 0; pc0 = ra;
 371 }
 372
 373 void psxBios_longjmp() { // 0x14
 374         u32 *jmp_buf = (u32 *)Ra0;
 375         int i;
 376
 377 #ifdef PSXBIOS_LOG
 378         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
 379 #endif
 380
 381         ra = jmp_buf[0]; /* ra */
 382         sp = jmp_buf[1]; /* sp */
 383         fp = jmp_buf[2]; /* fp */
 384         for (i = 0; i < 8; i++) // s0-s7
 385                 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
 386         gp = jmp_buf[11]; /* gp */
 387
 388         v0 = a1; pc0 = ra;
 389 }
 390
 391 void psxBios_strcat() { // 0x15
 392         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 393
 394 #ifdef PSXBIOS_LOG
 395         PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
 396 #endif
 397
 398         while (*p1++);
 399         --p1;
 400         while ((*p1++ = *p2++) != '\0');
 401
 402         v0 = a0; pc0 = ra;
 403 }
 404
 405 void psxBios_strncat() { // 0x16
 406         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 407         s32 n = a2;
 408
 409 #ifdef PSXBIOS_LOG
 410         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
 411 #endif
 412
 413         while (*p1++);
 414         --p1;
 415         while ((*p1++ = *p2++) != '\0') {
 416                 if (--n < 0) {
 417                         *--p1 = '\0';
 418                         break;
 419                 }
 420         }
 421
 422         v0 = a0; pc0 = ra;
 423 }
 424
 425 void psxBios_strcmp() { // 0x17
 426         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 427
 428 #ifdef PSXBIOS_LOG
 429         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 430 #endif
 431
 432         while (*p1 == *p2++) {
 433                 if (*p1++ == '\0') {
 434                         v0 = 0;
 435                         pc0 = ra;
 436                         return;
 437                 }
 438         }
 439
 440         v0 = (*p1 - *--p2);
 441         pc0 = ra;
 442 }
 443
 444 void psxBios_strncmp() { // 0x18
 445         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 446         s32 n = a2;
 447
 448 #ifdef PSXBIOS_LOG
 449         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
 450 #endif
 451
 452         while (--n >= 0 && *p1 == *p2++) {
 453                 if (*p1++ == '\0') {
 454                         v0 = 0;
 455                         pc0 = ra;
 456                         return;
 457                 }
 458         }
 459
 460         v0 = (n < 0 ? 0 : *p1 - *--p2);
 461         pc0 = ra;
 462 }
 463
 464 void psxBios_strcpy() { // 0x19
 465         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 466         while ((*p1++ = *p2++) != '\0');
 467
 468         v0 = a0; pc0 = ra;
 469 }
 470
 471 void psxBios_strncpy() { // 0x1a
 472         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 473         s32 n = a2, i;
 474
 475         for (i = 0; i < n; i++) {
 476                 if ((*p1++ = *p2++) == '\0') {
 477                         while (++i < n) {
 478                                 *p1++ = '\0';
 479                         }
 480                         v0 = a0; pc0 = ra;
 481                         return;
 482                 }
 483         }
 484
 485         v0 = a0; pc0 = ra;
 486 }
 487
 488 void psxBios_strlen() { // 0x1b
 489         char *p = (char *)Ra0;
 490         v0 = 0;
 491         while (*p++) v0++;
 492         pc0 = ra;
 493 }
 494
 495 void psxBios_index() { // 0x1c
 496         char *p = (char *)Ra0;
 497
 498         do {
 499                 if (*p == a1) {
 500                         v0 = a0 + (p - (char *)Ra0);
 501                         pc0 = ra;
 502                         return;
 503                 }
 504         } while (*p++ != '\0');
 505
 506         v0 = 0; pc0 = ra;
 507 }
 508
 509 void psxBios_rindex() { // 0x1d
 510         char *p = (char *)Ra0;
 511
 512         v0 = 0;
 513
 514         do {
 515                 if (*p == a1)
 516                         v0 = a0 + (p - (char *)Ra0);
 517         } while (*p++ != '\0');
 518
 519         pc0 = ra;
 520 }
 521
 522 void psxBios_strchr() { // 0x1e
 523         psxBios_index();
 524 }
 525
 526 void psxBios_strrchr() { // 0x1f
 527         psxBios_rindex();
 528 }
 529
 530 void psxBios_strpbrk() { // 0x20
 531         char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
 532
 533         while ((c = *p1++) != '\0') {
 534                 for (scanp = p2; (sc = *scanp++) != '\0';) {
 535                         if (sc == c) {
 536                                 v0 = a0 + (p1 - 1 - (char *)Ra0);
 537                                 pc0 = ra;
 538                                 return;
 539                         }
 540                 }
 541         }
 542
 543         // BUG: return a0 instead of NULL if not found
 544         v0 = a0; pc0 = ra;
 545 }
 546
 547 void psxBios_strspn() { // 0x21
 548         char *p1, *p2;
 549
 550         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 551                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 552                 if (*p2 == '\0') break;
 553         }
 554
 555         v0 = p1 - (char *)Ra0; pc0 = ra;
 556 }
 557
 558 void psxBios_strcspn() { // 0x22
 559         char *p1, *p2;
 560
 561         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 562                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 563                 if (*p2 != '\0') break;
 564         }
 565
 566         v0 = p1 - (char *)Ra0; pc0 = ra;
 567 }
 568
 569 void psxBios_strtok() { // 0x23
 570         char *pcA0 = (char *)Ra0;
 571         char *pcRet = strtok(pcA0, (char *)Ra1);
 572         if (pcRet)
 573                 v0 = a0 + pcRet - pcA0;
 574         else
 575                 v0 = 0;
 576         pc0 = ra;
 577 }
 578
 579 void psxBios_strstr() { // 0x24
 580         char *p = (char *)Ra0, *p1, *p2;
 581
 582         while (*p != '\0') {
 583                 p1 = p;
 584                 p2 = (char *)Ra1;
 585
 586                 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
 587                         p1++; p2++;
 588                 }
 589
 590                 if (*p2 == '\0') {
 591                         v0 = a0 + (p - (char *)Ra0);
 592                         pc0 = ra;
 593                         return;
 594                 }
 595
 596                 p++;
 597         }
 598
 599         v0 = 0; pc0 = ra;
 600 }
 601
 602 void psxBios_toupper() { // 0x25
 603         v0 = (s8)(a0 & 0xff);
 604         if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
 605         pc0 = ra;
 606 }
 607
 608 void psxBios_tolower() { // 0x26
 609         v0 = (s8)(a0 & 0xff);
 610         if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
 611         pc0 = ra;
 612 }
 613
 614 void psxBios_bcopy() { // 0x27
 615         char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
 616         while (a2-- > 0) *p1++ = *p2++;
 617
 618         pc0 = ra;
 619 }
 620
 621 void psxBios_bzero() { // 0x28
 622         char *p = (char *)Ra0;
 623         while (a1-- > 0) *p++ = '\0';
 624
 625         pc0 = ra;
 626 }
 627
 628 void psxBios_bcmp() { // 0x29
 629         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 630
 631         if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
 632
 633         while (a2-- > 0) {
 634                 if (*p1++ != *p2++) {
 635                         v0 = *p1 - *p2; // BUG: compare the NEXT byte
 636                         pc0 = ra;
 637                         return;
 638                 }
 639         }
 640
 641         v0 = 0; pc0 = ra;
 642 }
 643
 644 void psxBios_memcpy() { // 0x2a
 645         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 646         while (a2-- > 0) *p1++ = *p2++;
 647
 648         v0 = a0; pc0 = ra;
 649 }
 650
 651 void psxBios_memset() { // 0x2b
 652         char *p = (char *)Ra0;
 653         while (a2-- > 0) *p++ = (char)a1;
 654
 655         v0 = a0; pc0 = ra;
 656 }
 657
 658 void psxBios_memmove() { // 0x2c
 659         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 660
 661         if (p2 <= p1 && p2 + a2 > p1) {
 662                 a2++; // BUG: copy one more byte here
 663                 p1 += a2;
 664                 p2 += a2;
 665                 while (a2-- > 0) *--p1 = *--p2;
 666         } else {
 667                 while (a2-- > 0) *p1++ = *p2++;
 668         }
 669
 670         v0 = a0; pc0 = ra;
 671 }
 672
 673 void psxBios_memcmp() { // 0x2d
 674         psxBios_bcmp();
 675 }
 676
 677 void psxBios_memchr() { // 0x2e
 678         char *p = (char *)Ra0;
 679
 680         while (a2-- > 0) {
 681                 if (*p++ != (s8)a1) continue;
 682                 v0 = a0 + (p - (char *)Ra0 - 1);
 683                 pc0 = ra;
 684                 return;
 685         }
 686
 687         v0 = 0; pc0 = ra;
 688 }
 689
 690 void psxBios_rand() { // 0x2f
 691         u32 s = psxMu32(0x9010) * 1103515245 + 12345;
 692         v0 = (s >> 16) & 0x7fff;
 693         psxMu32ref(0x9010) = SWAPu32(s);
 694         pc0 = ra;
 695 }
 696
 697 void psxBios_srand() { // 0x30
 698         psxMu32ref(0x9010) = SWAPu32(a0);
 699         pc0 = ra;
 700 }
 701
 702 static u32 qscmpfunc, qswidth;
 703
 704 static inline int qscmp(char *a, char *b) {
 705         u32 sa0 = a0;
 706
 707         a0 = sa0 + (a - (char *)PSXM(sa0));
 708         a1 = sa0 + (b - (char *)PSXM(sa0));
 709
 710         softCall2(qscmpfunc);
 711
 712         a0 = sa0;
 713         return (s32)v0;
 714 }
 715
 716 static inline void qexchange(char *i, char *j) {
 717         char t;
 718         int n = qswidth;
 719
 720         do {
 721                 t = *i;
 722                 *i++ = *j;
 723                 *j++ = t;
 724         } while (--n);
 725 }
 726
 727 static inline void q3exchange(char *i, char *j, char *k) {
 728         char t;
 729         int n = qswidth;
 730
 731         do {
 732                 t = *i;
 733                 *i++ = *k;
 734                 *k++ = *j;
 735                 *j++ = t;
 736         } while (--n);
 737 }
 738
 739 static void qsort_main(char *a, char *l) {
 740         char *i, *j, *lp, *hp;
 741         int c;
 742         unsigned int n;
 743
 744 start:
 745         if ((n = l - a) <= qswidth)
 746                 return;
 747         n = qswidth * (n / (2 * qswidth));
 748         hp = lp = a + n;
 749         i = a;
 750         j = l - qswidth;
 751         while (TRUE) {
 752                 if (i < lp) {
 753                         if ((c = qscmp(i, lp)) == 0) {
 754                                 qexchange(i, lp -= qswidth);
 755                                 continue;
 756                         }
 757                         if (c < 0) {
 758                                 i += qswidth;
 759                                 continue;
 760                         }
 761                 }
 762
 763 loop:
 764                 if (j > hp) {
 765                         if ((c = qscmp(hp, j)) == 0) {
 766                                 qexchange(hp += qswidth, j);
 767                                 goto loop;
 768                         }
 769                         if (c > 0) {
 770                                 if (i == lp) {
 771                                         q3exchange(i, hp += qswidth, j);
 772                                         i = lp += qswidth;
 773                                         goto loop;
 774                                 }
 775                                 qexchange(i, j);
 776                                 j -= qswidth;
 777                                 i += qswidth;
 778                                 continue;
 779                         }
 780                         j -= qswidth;
 781                         goto loop;
 782                 }
 783
 784                 if (i == lp) {
 785                         if (lp - a >= l - hp) {
 786                                 qsort_main(hp + qswidth, l);
 787                                 l = lp;
 788                         } else {
 789                                 qsort_main(a, lp);
 790                                 a = hp + qswidth;
 791                         }
 792                         goto start;
 793                 }
 794
 795                 q3exchange(j, lp -= qswidth, i);
 796                 j = hp -= qswidth;
 797         }
 798 }
 799
 800 void psxBios_qsort() { // 0x31
 801         qswidth = a2;
 802         qscmpfunc = a3;
 803         qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
 804
 805         pc0 = ra;
 806 }
 807
 808 void psxBios_malloc() { // 0x33
 809         unsigned int *chunk, *newchunk = NULL;
 810         unsigned int dsize = 0, csize, cstat;
 811         int colflag;
 812 #ifdef PSXBIOS_LOG
 813         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
 814 #endif
 815
 816         // scan through heap and combine free chunks of space
 817         chunk = heap_addr;
 818         colflag = 0;
 819         while(chunk < heap_end) {
 820                 // get size and status of actual chunk
 821                 csize = ((u32)*chunk) & 0xfffffffc;
 822                 cstat = ((u32)*chunk) & 1;
 823
 824                 // it's a free chunk
 825                 if(cstat == 1) {
 826                         if(colflag == 0) {
 827                                 newchunk = chunk;
 828                                 dsize = csize;
 829                                 colflag = 1;                    // let's begin a new collection of free memory
 830                         }
 831                         else dsize += (csize+4);        // add the new size including header
 832                 }
 833                 // not a free chunk: did we start a collection ?
 834                 else {
 835                         if(colflag == 1) {                      // collection is over
 836                                 colflag = 0;
 837                                 *newchunk = SWAP32(dsize | 1);
 838                         }
 839                 }
 840
 841                 // next chunk
 842                 chunk = (u32*)((uptr)chunk + csize + 4);
 843         }
 844         // if neccessary free memory on end of heap
 845         if (colflag == 1)
 846                 *newchunk = SWAP32(dsize | 1);
 847
 848         chunk = heap_addr;
 849         csize = ((u32)*chunk) & 0xfffffffc;
 850         cstat = ((u32)*chunk) & 1;
 851         dsize = (a0 + 3) & 0xfffffffc;
 852
 853         // exit on uninitialized heap
 854         if (chunk == NULL) {
 855                 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
 856                 v0 = 0;
 857                 pc0 = ra;
 858                 return;
 859         }
 860
 861         // search an unused chunk that is big enough until the end of the heap
 862         while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
 863                 chunk = (u32*)((uptr)chunk + csize + 4);
 864                 csize = ((u32)*chunk) & 0xfffffffc;
 865                 cstat = ((u32)*chunk) & 1;
 866         }
 867
 868         // catch out of memory
 869         if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
 870
 871         // allocate memory
 872         if(dsize == csize) {
 873                 // chunk has same size
 874                 *chunk &= 0xfffffffc;
 875         }
 876         else {
 877                 // split free chunk
 878                 *chunk = SWAP32(dsize);
 879                 newchunk = (u32*)((uptr)chunk + dsize + 4);
 880                 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
 881         }
 882
 883         // return pointer to allocated memory
 884         v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
 885         v0|= 0x80000000;
 886         SysPrintf ("malloc %x,%x\n", v0, a0);
 887         pc0 = ra;
 888 }
 889
 890 void psxBios_free() { // 0x34
 891
 892 #ifdef PSXBIOS_LOG
 893         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
 894 #endif
 895
 896         SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
 897
 898         *(u32*)(Ra0-4) |= 1;    // set chunk to free
 899         pc0 = ra;
 900 }
 901
 902 void psxBios_calloc() { // 0x37
 903         void *pv0;
 904 #ifdef PSXBIOS_LOG
 905         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
 906 #endif
 907
 908         a0 = a0 * a1;
 909         psxBios_malloc();
 910         pv0 = Rv0;
 911         if (pv0)
 912                 memset(pv0, 0, a0);
 913 }
 914
 915 void psxBios_realloc() { // 0x38
 916         u32 block = a0;
 917         u32 size = a1;
 918 #ifdef PSXBIOS_LOG
 919         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
 920 #endif
 921
 922         a0 = block;
 923         psxBios_free();
 924         a0 = size;
 925         psxBios_malloc();
 926 }
 927
 928
 929 /* InitHeap(void *block , int n) */
 930 void psxBios_InitHeap() { // 0x39
 931         unsigned int size;
 932
 933 #ifdef PSXBIOS_LOG
 934         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
 935 #endif
 936
 937         if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
 938         else size = a1;
 939
 940         size &= 0xfffffffc;
 941
 942         heap_addr = (u32 *)Ra0;
 943         heap_end = (u32 *)((u8 *)heap_addr + size);
 944         *heap_addr = SWAP32(size | 1);
 945
 946         SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
 947
 948         pc0 = ra;
 949 }
 950
 951 void psxBios_getchar() { //0x3b
 952         v0 = getchar(); pc0 = ra;
 953 }
 954
 955 void psxBios_printf() { // 0x3f
 956         char tmp[1024];
 957         char tmp2[1024];
 958         u32 save[4];
 959         char *ptmp = tmp;
 960         int n=1, i=0, j;
 961         void *psp;
 962
 963         psp = PSXM(sp);
 964         if (psp) {
 965                 memcpy(save, psp, 4 * 4);
 966                 psxMu32ref(sp) = SWAP32((u32)a0);
 967                 psxMu32ref(sp + 4) = SWAP32((u32)a1);
 968                 psxMu32ref(sp + 8) = SWAP32((u32)a2);
 969                 psxMu32ref(sp + 12) = SWAP32((u32)a3);
 970         }
 971
 972         while (Ra0[i]) {
 973                 switch (Ra0[i]) {
 974                         case '%':
 975                                 j = 0;
 976                                 tmp2[j++] = '%';
 977 _start:
 978                                 switch (Ra0[++i]) {
 979                                         case '.':
 980                                         case 'l':
 981                                                 tmp2[j++] = Ra0[i]; goto _start;
 982                                         default:
 983                                                 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
 984                                                         tmp2[j++] = Ra0[i];
 985                                                         goto _start;
 986                                                 }
 987                                                 break;
 988                                 }
 989                                 tmp2[j++] = Ra0[i];
 990                                 tmp2[j] = 0;
 991
 992                                 switch (Ra0[i]) {
 993                                         case 'f': case 'F':
 994                                                 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
 995                                         case 'a': case 'A':
 996                                         case 'e': case 'E':
 997                                         case 'g': case 'G':
 998                                                 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
 999                                         case 'p':
1000                                         case 'i': case 'u':
1001                                         case 'd': case 'D':
1002                                         case 'o': case 'O':
1003                                         case 'x': case 'X':
1004                                                 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1005                                         case 'c':
1006                                                 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1007                                         case 's':
1008                                                 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1009                                         case '%':
1010                                                 *ptmp++ = Ra0[i]; break;
1011                                 }
1012                                 i++;
1013                                 break;
1014                         default:
1015                                 *ptmp++ = Ra0[i++];
1016                 }
1017         }
1018         *ptmp = 0;
1019
1020         if (psp)
1021                 memcpy(psp, save, 4 * 4);
1022
1023         SysPrintf("%s", tmp);
1024
1025         pc0 = ra;
1026 }
1027
1028 /*
1029  *      long Load(char *name, struct EXEC *header);
1030  */
1031
1032 void psxBios_Load() { // 0x42
1033         EXE_HEADER eheader;
1034         void *pa1;
1035
1036 #ifdef PSXBIOS_LOG
1037         PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1038 #endif
1039
1040         pa1 = Ra1;
1041         if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1042                 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1043                 v0 = 1;
1044         } else v0 = 0;
1045
1046         pc0 = ra;
1047 }
1048
1049 /*
1050  *      int Exec(struct EXEC *header , int argc , char **argv);
1051  */
1052
1053 void psxBios_Exec() { // 43
1054         EXEC *header = (EXEC*)Ra0;
1055         u32 tmp;
1056
1057 #ifdef PSXBIOS_LOG
1058         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1059 #endif
1060
1061         header->_sp = sp;
1062         header->_fp = fp;
1063         header->_sp = sp;
1064         header->_gp = gp;
1065         header->ret = ra;
1066         header->base = s0;
1067
1068         if (header->S_addr != 0) {
1069                 tmp = header->S_addr + header->s_size;
1070                 sp = tmp;
1071                 fp = sp;
1072         }
1073
1074         gp = header->gp0;
1075
1076         s0 = a0;
1077
1078         a0 = a1;
1079         a1 = a2;
1080
1081         ra = 0x8000;
1082         pc0 = header->_pc0;
1083 }
1084
1085 void psxBios_FlushCache() { // 44
1086 #ifdef PSXBIOS_LOG
1087         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1088 #endif
1089
1090         pc0 = ra;
1091 }
1092
1093 void psxBios_GPU_dw() { // 0x46
1094         int size;
1095         s32 *ptr;
1096
1097 #ifdef PSXBIOS_LOG
1098         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1099 #endif
1100
1101         GPU_writeData(0xa0000000);
1102         GPU_writeData((a1<<16)|(a0&0xffff));
1103         GPU_writeData((a3<<16)|(a2&0xffff));
1104         size = (a2*a3+1)/2;
1105         ptr = (s32*)PSXM(Rsp[4]);  //that is correct?
1106         do {
1107                 GPU_writeData(SWAP32(*ptr));
1108                 ptr++;
1109         } while(--size);
1110
1111         pc0 = ra;
1112 }
1113
1114 void psxBios_mem2vram() { // 0x47
1115         int size;
1116
1117         GPU_writeData(0xa0000000);
1118         GPU_writeData((a1<<16)|(a0&0xffff));
1119         GPU_writeData((a3<<16)|(a2&0xffff));
1120         size = (a2*a3+1)/2;
1121         GPU_writeStatus(0x04000002);
1122         psxHwWrite32(0x1f8010f4,0);
1123         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1124         psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1125         psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1126         psxHwWrite32(0x1f8010a8,0x01000201);
1127
1128         pc0 = ra;
1129 }
1130
1131 void psxBios_SendGPU() { // 0x48
1132         GPU_writeStatus(a0);
1133         gpuSyncPluginSR();
1134         pc0 = ra;
1135 }
1136
1137 void psxBios_GPU_cw() { // 0x49
1138         GPU_writeData(a0);
1139         pc0 = ra;
1140 }
1141
1142 void psxBios_GPU_cwb() { // 0x4a
1143         s32 *ptr = (s32*)Ra0;
1144         int size = a1;
1145         while(size--) {
1146                 GPU_writeData(SWAP32(*ptr));
1147                 ptr++;
1148         }
1149
1150         pc0 = ra;
1151 }
1152
1153 void psxBios_GPU_SendPackets() { //4b:
1154         GPU_writeStatus(0x04000002);
1155         psxHwWrite32(0x1f8010f4,0);
1156         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1157         psxHwWrite32(0x1f8010a0,a0);
1158         psxHwWrite32(0x1f8010a4,0);
1159         psxHwWrite32(0x1f8010a8,0x010000401);
1160         pc0 = ra;
1161 }
1162
1163 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1164         psxHwWrite32(0x1f8010a8,0x00000401);
1165         GPU_writeData(0x0400000);
1166         GPU_writeData(0x0200000);
1167         GPU_writeData(0x0100000);
1168
1169         pc0 = ra;
1170 }
1171
1172 void psxBios_GPU_GetGPUStatus() { // 0x4d
1173         v0 = GPU_readStatus();
1174         pc0 = ra;
1175 }
1176
1177 #undef s_addr
1178
1179 void psxBios_LoadExec() { // 51
1180         EXEC *header = (EXEC*)PSXM(0xf000);
1181         u32 s_addr, s_size;
1182
1183 #ifdef PSXBIOS_LOG
1184         PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1185 #endif
1186         s_addr = a1; s_size = a2;
1187
1188         a1 = 0xf000;
1189         psxBios_Load();
1190
1191         header->S_addr = s_addr;
1192         header->s_size = s_size;
1193
1194         a0 = 0xf000; a1 = 0; a2 = 0;
1195         psxBios_Exec();
1196 }
1197
1198 void psxBios__bu_init() { // 70
1199 #ifdef PSXBIOS_LOG
1200         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1201 #endif
1202
1203         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1204         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1205
1206         pc0 = ra;
1207 }
1208
1209 void psxBios__96_init() { // 71
1210 #ifdef PSXBIOS_LOG
1211         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1212 #endif
1213
1214         pc0 = ra;
1215 }
1216
1217 void psxBios__96_remove() { // 72
1218 #ifdef PSXBIOS_LOG
1219         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1220 #endif
1221
1222         pc0 = ra;
1223 }
1224
1225 void psxBios_SetMem() { // 9f
1226         u32 new = psxHu32(0x1060);
1227
1228 #ifdef PSXBIOS_LOG
1229         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1230 #endif
1231
1232         switch(a0) {
1233                 case 2:
1234                         psxHu32ref(0x1060) = SWAP32(new);
1235                         psxMu32ref(0x060) = a0;
1236                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1237                         break;
1238
1239                 case 8:
1240                         psxHu32ref(0x1060) = SWAP32(new | 0x300);
1241                         psxMu32ref(0x060) = a0;
1242                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1243
1244                 default:
1245                         SysPrintf("Effective memory must be 2/8 MBytes\n");
1246                 break;
1247         }
1248
1249         pc0 = ra;
1250 }
1251
1252 void psxBios__card_info() { // ab
1253 #ifdef PSXBIOS_LOG
1254         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1255 #endif
1256
1257         card_active_chan = a0;
1258
1259 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1260         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1261
1262         v0 = 1; pc0 = ra;
1263 }
1264
1265 void psxBios__card_load() { // ac
1266 #ifdef PSXBIOS_LOG
1267         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1268 #endif
1269
1270         card_active_chan = a0;
1271
1272 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1273         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1274
1275         v0 = 1; pc0 = ra;
1276 }
1277
1278 /* System calls B0 */
1279
1280 void psxBios_SetRCnt() { // 02
1281 #ifdef PSXBIOS_LOG
1282         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1283 #endif
1284
1285         a0&= 0x3;
1286         if (a0 != 3) {
1287                 u32 mode=0;
1288
1289                 psxRcntWtarget(a0, a1);
1290                 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1291                 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1292                 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1293                 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1294                 else         { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1295
1296                 psxRcntWmode(a0, mode);
1297         }
1298         pc0 = ra;
1299 }
1300
1301 void psxBios_GetRCnt() { // 03
1302 #ifdef PSXBIOS_LOG
1303         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1304 #endif
1305
1306         a0&= 0x3;
1307         if (a0 != 3) v0 = psxRcntRcount(a0);
1308         else v0 = 0;
1309         pc0 = ra;
1310 }
1311
1312 void psxBios_StartRCnt() { // 04
1313 #ifdef PSXBIOS_LOG
1314         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1315 #endif
1316
1317         a0&= 0x3;
1318         if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1319         else psxHu32ref(0x1074)|= SWAPu32(0x1);
1320         v0 = 1; pc0 = ra;
1321 }
1322
1323 void psxBios_StopRCnt() { // 05
1324 #ifdef PSXBIOS_LOG
1325         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1326 #endif
1327
1328         a0&= 0x3;
1329         if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1330         else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1331         pc0 = ra;
1332 }
1333
1334 void psxBios_ResetRCnt() { // 06
1335 #ifdef PSXBIOS_LOG
1336         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1337 #endif
1338
1339         a0&= 0x3;
1340         if (a0 != 3) {
1341                 psxRcntWmode(a0, 0);
1342                 psxRcntWtarget(a0, 0);
1343                 psxRcntWcount(a0, 0);
1344         }
1345         pc0 = ra;
1346 }
1347
1348
1349 /* gets ev for use with Event */
1350 #define GetEv() \
1351         ev = (a0 >> 24) & 0xf; \
1352         if (ev == 0xf) ev = 0x5; \
1353         ev*= 32; \
1354         ev+= a0&0x1f;
1355
1356 /* gets spec for use with Event */
1357 #define GetSpec() \
1358         spec = 0; \
1359         switch (a1) { \
1360                 case 0x0301: spec = 16; break; \
1361                 case 0x0302: spec = 17; break; \
1362                 default: \
1363                         for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1364                         break; \
1365         }
1366
1367 void psxBios_DeliverEvent() { // 07
1368         int ev, spec;
1369         int i;
1370
1371         GetEv();
1372         GetSpec();
1373
1374 #ifdef PSXBIOS_LOG
1375         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1376 #endif
1377
1378         DeliverEvent(ev, spec);
1379
1380         pc0 = ra;
1381 }
1382
1383 void psxBios_OpenEvent() { // 08
1384         int ev, spec;
1385         int i;
1386
1387         GetEv();
1388         GetSpec();
1389
1390 #ifdef PSXBIOS_LOG
1391         PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1392 #endif
1393
1394         Event[ev][spec].status = EvStWAIT;
1395         Event[ev][spec].mode = a2;
1396         Event[ev][spec].fhandler = a3;
1397
1398         v0 = ev | (spec << 8);
1399         pc0 = ra;
1400 }
1401
1402 void psxBios_CloseEvent() { // 09
1403         int ev, spec;
1404
1405         ev   = a0 & 0xff;
1406         spec = (a0 >> 8) & 0xff;
1407
1408 #ifdef PSXBIOS_LOG
1409         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1410 #endif
1411
1412         Event[ev][spec].status = EvStUNUSED;
1413
1414         v0 = 1; pc0 = ra;
1415 }
1416
1417 void psxBios_WaitEvent() { // 0a
1418         int ev, spec;
1419
1420         ev   = a0 & 0xff;
1421         spec = (a0 >> 8) & 0xff;
1422
1423 #ifdef PSXBIOS_LOG
1424         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1425 #endif
1426
1427         Event[ev][spec].status = EvStACTIVE;
1428
1429         v0 = 1; pc0 = ra;
1430 }
1431
1432 void psxBios_TestEvent() { // 0b
1433         int ev, spec;
1434
1435         ev   = a0 & 0xff;
1436         spec = (a0 >> 8) & 0xff;
1437
1438         if (Event[ev][spec].status == EvStALREADY) {
1439                 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1440         } else v0 = 0;
1441
1442 #ifdef PSXBIOS_LOG
1443         PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1444 #endif
1445
1446         pc0 = ra;
1447 }
1448
1449 void psxBios_EnableEvent() { // 0c
1450         int ev, spec;
1451
1452         ev   = a0 & 0xff;
1453         spec = (a0 >> 8) & 0xff;
1454
1455 #ifdef PSXBIOS_LOG
1456         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1457 #endif
1458
1459         Event[ev][spec].status = EvStACTIVE;
1460
1461         v0 = 1; pc0 = ra;
1462 }
1463
1464 void psxBios_DisableEvent() { // 0d
1465         int ev, spec;
1466
1467         ev   = a0 & 0xff;
1468         spec = (a0 >> 8) & 0xff;
1469
1470 #ifdef PSXBIOS_LOG
1471         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1472 #endif
1473
1474         Event[ev][spec].status = EvStWAIT;
1475
1476         v0 = 1; pc0 = ra;
1477 }
1478
1479 /*
1480  *      long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1481  */
1482
1483 void psxBios_OpenTh() { // 0e
1484         int th;
1485
1486         for (th=1; th<8; th++)
1487                 if (Thread[th].status == 0) break;
1488
1489 #ifdef PSXBIOS_LOG
1490         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1491 #endif
1492
1493         Thread[th].status = 1;
1494         Thread[th].func    = a0;
1495         Thread[th].reg[29] = a1;
1496         Thread[th].reg[28] = a2;
1497
1498         v0 = th; pc0 = ra;
1499 }
1500
1501 /*
1502  *      int CloseTh(long thread);
1503  */
1504
1505 void psxBios_CloseTh() { // 0f
1506         int th = a0 & 0xff;
1507
1508 #ifdef PSXBIOS_LOG
1509         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1510 #endif
1511
1512         if (Thread[th].status == 0) {
1513                 v0 = 0;
1514         } else {
1515                 Thread[th].status = 0;
1516                 v0 = 1;
1517         }
1518
1519         pc0 = ra;
1520 }
1521
1522 /*
1523  *      int ChangeTh(long thread);
1524  */
1525
1526 void psxBios_ChangeTh() { // 10
1527         int th = a0 & 0xff;
1528
1529 #ifdef PSXBIOS_LOG
1530 //      PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1531 #endif
1532
1533         if (Thread[th].status == 0 || CurThread == th) {
1534                 v0 = 0;
1535
1536                 pc0 = ra;
1537         } else {
1538                 v0 = 1;
1539
1540                 if (Thread[CurThread].status == 2) {
1541                         Thread[CurThread].status = 1;
1542                         Thread[CurThread].func = ra;
1543                         memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1544                 }
1545
1546                 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1547                 pc0 = Thread[th].func;
1548                 Thread[th].status = 2;
1549                 CurThread = th;
1550         }
1551 }
1552
1553 void psxBios_InitPAD() { // 0x12
1554 #ifdef PSXBIOS_LOG
1555         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1556 #endif
1557
1558         pad_buf1 = (char*)Ra0;
1559         pad_buf1len = a1;
1560         pad_buf2 = (char*)Ra2;
1561         pad_buf2len = a3;
1562
1563         v0 = 1; pc0 = ra;
1564 }
1565
1566 void psxBios_StartPAD() { // 13
1567 #ifdef PSXBIOS_LOG
1568         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1569 #endif
1570
1571         psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1572         psxRegs.CP0.n.Status |= 0x401;
1573         pc0 = ra;
1574 }
1575
1576 void psxBios_StopPAD() { // 14
1577 #ifdef PSXBIOS_LOG
1578         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1579 #endif
1580
1581         pad_buf1 = NULL;
1582         pad_buf2 = NULL;
1583         pc0 = ra;
1584 }
1585
1586 void psxBios_PAD_init() { // 15
1587 #ifdef PSXBIOS_LOG
1588         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1589 #endif
1590         psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1591         pad_buf = (int *)Ra1;
1592         *pad_buf = -1;
1593         psxRegs.CP0.n.Status |= 0x401;
1594         pc0 = ra;
1595 }
1596
1597 void psxBios_PAD_dr() { // 16
1598 #ifdef PSXBIOS_LOG
1599         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1600 #endif
1601
1602         v0 = -1; pc0 = ra;
1603 }
1604
1605 void psxBios_ReturnFromException() { // 17
1606         LoadRegs();
1607
1608         pc0 = psxRegs.CP0.n.EPC;
1609         if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1610
1611         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1612                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1613 }
1614
1615 void psxBios_ResetEntryInt() { // 18
1616 #ifdef PSXBIOS_LOG
1617         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1618 #endif
1619
1620         jmp_int = NULL;
1621         pc0 = ra;
1622 }
1623
1624 void psxBios_HookEntryInt() { // 19
1625 #ifdef PSXBIOS_LOG
1626         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1627 #endif
1628
1629         jmp_int = (u32*)Ra0;
1630         pc0 = ra;
1631 }
1632
1633 void psxBios_UnDeliverEvent() { // 0x20
1634         int ev, spec;
1635         int i;
1636
1637         GetEv();
1638         GetSpec();
1639
1640 #ifdef PSXBIOS_LOG
1641         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1642 #endif
1643
1644         if (Event[ev][spec].status == EvStALREADY &&
1645                 Event[ev][spec].mode == EvMdNOINTR)
1646                 Event[ev][spec].status = EvStACTIVE;
1647
1648         pc0 = ra;
1649 }
1650
1651 #define buopen(mcd) { \
1652         strcpy(FDesc[1 + mcd].name, Ra0+5); \
1653         FDesc[1 + mcd].offset = 0; \
1654         FDesc[1 + mcd].mode   = a1; \
1655  \
1656         for (i=1; i<16; i++) { \
1657                 ptr = Mcd##mcd##Data + 128 * i; \
1658                 if ((*ptr & 0xF0) != 0x50) continue; \
1659                 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1660                 FDesc[1 + mcd].mcfile = i; \
1661                 SysPrintf("open %s\n", ptr+0xa); \
1662                 v0 = 1 + mcd; \
1663                 break; \
1664         } \
1665         if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1666                 for (i=1; i<16; i++) { \
1667                         int j, xor = 0; \
1668  \
1669                         ptr = Mcd##mcd##Data + 128 * i; \
1670                         if ((*ptr & 0xF0) == 0x50) continue; \
1671                         ptr[0] = 0x50 | (u8)(a1 >> 16); \
1672                         ptr[4] = 0x00; \
1673                         ptr[5] = 0x20; \
1674                         ptr[6] = 0x00; \
1675                         ptr[7] = 0x00; \
1676                         ptr[8] = 'B'; \
1677                         ptr[9] = 'I'; \
1678                         strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1679                         for (j=0; j<127; j++) xor^= ptr[j]; \
1680                         ptr[127] = xor; \
1681                         FDesc[1 + mcd].mcfile = i; \
1682                         SysPrintf("openC %s\n", ptr); \
1683                         v0 = 1 + mcd; \
1684                         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1685                         break; \
1686                 } \
1687         } \
1688 }
1689
1690 /*
1691  *      int open(char *name , int mode);
1692  */
1693
1694 void psxBios_open() { // 0x32
1695         int i;
1696         char *ptr;
1697         void *pa0 = Ra0;
1698
1699 #ifdef PSXBIOS_LOG
1700         PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1701 #endif
1702
1703         v0 = -1;
1704
1705         if (pa0) {
1706                 if (!strncmp(pa0, "bu00", 4)) {
1707                         buopen(1);
1708                 }
1709
1710                 if (!strncmp(pa0, "bu10", 4)) {
1711                         buopen(2);
1712                 }
1713         }
1714
1715         pc0 = ra;
1716 }
1717
1718 /*
1719  *      int lseek(int fd , int offset , int whence);
1720  */
1721
1722 void psxBios_lseek() { // 0x33
1723 #ifdef PSXBIOS_LOG
1724         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1725 #endif
1726
1727         switch (a2) {
1728                 case 0: // SEEK_SET
1729                         FDesc[a0].offset = a1;
1730                         v0 = a1;
1731 //                      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1732 //                      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1733                         break;
1734
1735                 case 1: // SEEK_CUR
1736                         FDesc[a0].offset+= a1;
1737                         v0 = FDesc[a0].offset;
1738                         break;
1739         }
1740
1741         pc0 = ra;
1742 }
1743
1744 #define buread(Ra1, mcd) { \
1745         SysPrintf("read %d: %x,%x (%s)\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2, Mcd##mcd##Data + 128 * FDesc[1 + mcd].mcfile + 0xa); \
1746         ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1747         memcpy(Ra1, ptr, a2); \
1748         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1749         else v0 = a2; \
1750         FDesc[1 + mcd].offset += v0; \
1751         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1752         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1753 }
1754
1755 /*
1756  *      int read(int fd , void *buf , int nbytes);
1757  */
1758
1759 void psxBios_read() { // 0x34
1760         char *ptr;
1761         void *pa1 = Ra1;
1762
1763 #ifdef PSXBIOS_LOG
1764         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1765 #endif
1766
1767         v0 = -1;
1768
1769         if (pa1) {
1770                 switch (a0) {
1771                         case 2: buread(pa1, 1); break;
1772                         case 3: buread(pa1, 2); break;
1773                 }
1774         }
1775
1776         pc0 = ra;
1777 }
1778
1779 #define buwrite(Ra1, mcd) { \
1780         u32 offset =  + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1781         SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1782         ptr = Mcd##mcd##Data + offset; \
1783         memcpy(ptr, Ra1, a2); \
1784         FDesc[1 + mcd].offset += a2; \
1785         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1786         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1787         else v0 = a2; \
1788         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1789         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1790 }
1791
1792 /*
1793  *      int write(int fd , void *buf , int nbytes);
1794  */
1795
1796 void psxBios_write() { // 0x35/0x03
1797         char *ptr;
1798         void *pa1 = Ra1;
1799
1800 #ifdef PSXBIOS_LOG
1801         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1802 #endif
1803
1804         v0 = -1;
1805         if (!pa1) {
1806                 pc0 = ra;
1807                 return;
1808         }
1809
1810         if (a0 == 1) { // stdout
1811                 char *ptr = pa1;
1812
1813                 v0 = a2;
1814                 while (a2 > 0) {
1815                         SysPrintf("%c", *ptr++); a2--;
1816                 }
1817                 pc0 = ra; return;
1818         }
1819
1820         switch (a0) {
1821                 case 2: buwrite(pa1, 1); break;
1822                 case 3: buwrite(pa1, 2); break;
1823         }
1824
1825         pc0 = ra;
1826 }
1827
1828 /*
1829  *      int close(int fd);
1830  */
1831
1832 void psxBios_close() { // 0x36
1833 #ifdef PSXBIOS_LOG
1834         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1835 #endif
1836
1837         v0 = a0;
1838         pc0 = ra;
1839 }
1840
1841 void psxBios_putchar() { // 3d
1842         SysPrintf("%c", (char)a0);
1843         pc0 = ra;
1844 }
1845
1846 void psxBios_puts() { // 3e/3f
1847         SysPrintf("%s", Ra0);
1848         pc0 = ra;
1849 }
1850
1851 char ffile[64], *pfile;
1852 int nfile;
1853
1854 #define bufile(mcd) { \
1855         while (nfile < 16) { \
1856                 int match=1; \
1857  \
1858                 ptr = Mcd##mcd##Data + 128 * nfile; \
1859                 nfile++; \
1860                 if ((*ptr & 0xF0) != 0x50) continue; \
1861                 ptr+= 0xa; \
1862                 if (pfile[0] == 0) { \
1863                         strncpy(dir->name, ptr, sizeof(dir->name)); \
1864                         dir->name[sizeof(dir->name) - 1] = '\0'; \
1865                 } else for (i=0; i<20; i++) { \
1866                         if (pfile[i] == ptr[i]) { \
1867                                 dir->name[i] = ptr[i]; \
1868                                 if (ptr[i] == 0) break; else continue; } \
1869                         if (pfile[i] == '?') { \
1870                                 dir->name[i] = ptr[i]; continue; } \
1871                         if (pfile[i] == '*') { \
1872                                 strcpy(dir->name+i, ptr+i); break; } \
1873                         match = 0; break; \
1874                 } \
1875                 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1876                 if (match == 0) continue; \
1877                 dir->size = 8192; \
1878                 v0 = _dir; \
1879                 break; \
1880         } \
1881 }
1882
1883 /*
1884  *      struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1885  */
1886
1887 void psxBios_firstfile() { // 42
1888         struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1889         void *pa0 = Ra0;
1890         u32 _dir = a1;
1891         char *ptr;
1892         int i;
1893
1894 #ifdef PSXBIOS_LOG
1895         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1896 #endif
1897
1898         v0 = 0;
1899
1900         if (pa0) {
1901                 strcpy(ffile, pa0);
1902                 pfile = ffile+5;
1903                 nfile = 1;
1904                 if (!strncmp(pa0, "bu00", 4)) {
1905                         bufile(1);
1906                 } else if (!strncmp(pa0, "bu10", 4)) {
1907                         bufile(2);
1908                 }
1909         }
1910
1911         // firstfile() calls _card_read() internally, so deliver it's event
1912         DeliverEvent(0x11, 0x2);
1913
1914         pc0 = ra;
1915 }
1916
1917 /*
1918  *      struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1919  */
1920
1921 void psxBios_nextfile() { // 43
1922         struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1923         u32 _dir = a0;
1924         char *ptr;
1925         int i;
1926
1927 #ifdef PSXBIOS_LOG
1928         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1929 #endif
1930
1931         v0 = 0;
1932
1933         if (!strncmp(ffile, "bu00", 4)) {
1934                 bufile(1);
1935         }
1936
1937         if (!strncmp(ffile, "bu10", 4)) {
1938                 bufile(2);
1939         }
1940
1941         pc0 = ra;
1942 }
1943
1944 #define burename(mcd) { \
1945         for (i=1; i<16; i++) { \
1946                 int namelen, j, xor = 0; \
1947                 ptr = Mcd##mcd##Data + 128 * i; \
1948                 if ((*ptr & 0xF0) != 0x50) continue; \
1949                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1950                 namelen = strlen(Ra1+5); \
1951                 memcpy(ptr+0xa, Ra1+5, namelen); \
1952                 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1953                 for (j=0; j<127; j++) xor^= ptr[j]; \
1954                 ptr[127] = xor; \
1955                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1956                 v0 = 1; \
1957                 break; \
1958         } \
1959 }
1960
1961 /*
1962  *      int rename(char *old, char *new);
1963  */
1964
1965 void psxBios_rename() { // 44
1966         void *pa0 = Ra0;
1967         void *pa1 = Ra1;
1968         char *ptr;
1969         int i;
1970
1971 #ifdef PSXBIOS_LOG
1972         PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1973 #endif
1974
1975         v0 = 0;
1976
1977         if (pa0 && pa1) {
1978                 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
1979                         burename(1);
1980                 }
1981
1982                 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
1983                         burename(2);
1984                 }
1985         }
1986
1987         pc0 = ra;
1988 }
1989
1990
1991 #define budelete(mcd) { \
1992         for (i=1; i<16; i++) { \
1993                 ptr = Mcd##mcd##Data + 128 * i; \
1994                 if ((*ptr & 0xF0) != 0x50) continue; \
1995                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1996                 *ptr = (*ptr & 0xf) | 0xA0; \
1997                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1998                 SysPrintf("delete %s\n", ptr+0xa); \
1999                 v0 = 1; \
2000                 break; \
2001         } \
2002 }
2003
2004 /*
2005  *      int delete(char *name);
2006  */
2007
2008 void psxBios_delete() { // 45
2009         void *pa0 = Ra0;
2010         char *ptr;
2011         int i;
2012
2013 #ifdef PSXBIOS_LOG
2014         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2015 #endif
2016
2017         v0 = 0;
2018
2019         if (pa0) {
2020                 if (!strncmp(pa0, "bu00", 4)) {
2021                         budelete(1);
2022                 }
2023
2024                 if (!strncmp(pa0, "bu10", 4)) {
2025                         budelete(2);
2026                 }
2027         }
2028
2029         pc0 = ra;
2030 }
2031
2032 void psxBios_InitCARD() { // 4a
2033 #ifdef PSXBIOS_LOG
2034         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2035 #endif
2036
2037         CardState = 0;
2038
2039         pc0 = ra;
2040 }
2041
2042 void psxBios_StartCARD() { // 4b
2043 #ifdef PSXBIOS_LOG
2044         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2045 #endif
2046
2047         if (CardState == 0) CardState = 1;
2048
2049         pc0 = ra;
2050 }
2051
2052 void psxBios_StopCARD() { // 4c
2053 #ifdef PSXBIOS_LOG
2054         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2055 #endif
2056
2057         if (CardState == 1) CardState = 0;
2058
2059         pc0 = ra;
2060 }
2061
2062 void psxBios__card_write() { // 0x4e
2063         void *pa2 = Ra2;
2064         int port;
2065
2066 #ifdef PSXBIOS_LOG
2067         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2068 #endif
2069
2070         card_active_chan = a0;
2071         port = a0 >> 4;
2072
2073         if (pa2) {
2074                 if (port == 0) {
2075                         memcpy(Mcd1Data + a1 * 128, pa2, 128);
2076                         SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2077                 } else {
2078                         memcpy(Mcd2Data + a1 * 128, pa2, 128);
2079                         SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2080                 }
2081         }
2082
2083         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2084 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2085
2086         v0 = 1; pc0 = ra;
2087 }
2088
2089 void psxBios__card_read() { // 0x4f
2090         void *pa2 = Ra2;
2091         int port;
2092
2093 #ifdef PSXBIOS_LOG
2094         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2095 #endif
2096
2097         card_active_chan = a0;
2098         port = a0 >> 4;
2099
2100         if (pa2) {
2101                 if (port == 0) {
2102                         memcpy(pa2, Mcd1Data + a1 * 128, 128);
2103                 } else {
2104                         memcpy(pa2, Mcd2Data + a1 * 128, 128);
2105                 }
2106         }
2107
2108         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2109 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2110
2111         v0 = 1; pc0 = ra;
2112 }
2113
2114 void psxBios__new_card() { // 0x50
2115 #ifdef PSXBIOS_LOG
2116         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2117 #endif
2118
2119         pc0 = ra;
2120 }
2121
2122 void psxBios_Krom2RawAdd() { // 0x51
2123         int i = 0;
2124
2125         const u32 table_8140[][2] = {
2126                 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2127                 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2128                 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2129                 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2130                 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2131                 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2132                 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2133                 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2134                 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2135                 {0xffff, 0}
2136         };
2137
2138         const u32 table_889f[][2] = {
2139                 {0x889f, 0x3d68},  {0x8900, 0x40ec},  {0x897f, 0x4fb0},  {0x8a00, 0x56f4},
2140                 {0x8a7f, 0x65b8},  {0x8b00, 0x6cfc},  {0x8b7f, 0x7bc0},  {0x8c00, 0x8304},
2141                 {0x8c7f, 0x91c8},  {0x8d00, 0x990c},  {0x8d7f, 0xa7d0},  {0x8e00, 0xaf14},
2142                 {0x8e7f, 0xbdd8},  {0x8f00, 0xc51c},  {0x8f7f, 0xd3e0},  {0x9000, 0xdb24},
2143                 {0x907f, 0xe9e8},  {0x9100, 0xf12c},  {0x917f, 0xfff0},  {0x9200, 0x10734},
2144                 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2145                 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2146                 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2147                 {0xffff, 0}
2148         };
2149
2150         if (a0 >= 0x8140 && a0 <= 0x84be) {
2151                 while (table_8140[i][0] <= a0) i++;
2152                 a0 -= table_8140[i - 1][0];
2153                 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2154         } else if (a0 >= 0x889f && a0 <= 0x9872) {
2155                 while (table_889f[i][0] <= a0) i++;
2156                 a0 -= table_889f[i - 1][0];
2157                 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2158         } else {
2159                 v0 = 0xffffffff;
2160         }
2161
2162         pc0 = ra;
2163 }
2164
2165 void psxBios_GetC0Table() { // 56
2166 #ifdef PSXBIOS_LOG
2167         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2168 #endif
2169
2170         v0 = 0x674; pc0 = ra;
2171 }
2172
2173 void psxBios_GetB0Table() { // 57
2174 #ifdef PSXBIOS_LOG
2175         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2176 #endif
2177
2178         v0 = 0x874; pc0 = ra;
2179 }
2180
2181 void psxBios__card_chan() { // 0x58
2182 #ifdef PSXBIOS_LOG
2183         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2184 #endif
2185
2186         v0 = card_active_chan;
2187         pc0 = ra;
2188 }
2189
2190 void psxBios_ChangeClearPad() { // 5b
2191 #ifdef PSXBIOS_LOG
2192         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2193 #endif
2194
2195         pc0 = ra;
2196 }
2197
2198 /* System calls C0 */
2199
2200 /*
2201  * int SysEnqIntRP(int index , long *queue);
2202  */
2203
2204 void psxBios_SysEnqIntRP() { // 02
2205 #ifdef PSXBIOS_LOG
2206         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2207 #endif
2208
2209         SysIntRP[a0] = a1;
2210
2211         v0 = 0; pc0 = ra;
2212 }
2213
2214 /*
2215  * int SysDeqIntRP(int index , long *queue);
2216  */
2217
2218 void psxBios_SysDeqIntRP() { // 03
2219 #ifdef PSXBIOS_LOG
2220         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2221 #endif
2222
2223         SysIntRP[a0] = 0;
2224
2225         v0 = 0; pc0 = ra;
2226 }
2227
2228 void psxBios_ChangeClearRCnt() { // 0a
2229         u32 *ptr;
2230
2231 #ifdef PSXBIOS_LOG
2232         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2233 #endif
2234
2235         ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2236         v0 = *ptr;
2237         *ptr = a1;
2238
2239 //      psxRegs.CP0.n.Status|= 0x404;
2240         pc0 = ra;
2241 }
2242
2243 void psxBios_dummy() {
2244 #ifdef PSXBIOS_LOG
2245         PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2246 #endif
2247         pc0 = ra;
2248 }
2249
2250 void (*biosA0[256])();
2251 void (*biosB0[256])();
2252 void (*biosC0[256])();
2253
2254 #include "sjisfont.h"
2255
2256 void psxBiosInit() {
2257         u32 base, size;
2258         u32 *ptr;
2259         int i;
2260         uLongf len;
2261
2262         for(i = 0; i < 256; i++) {
2263                 biosA0[i] = NULL;
2264                 biosB0[i] = NULL;
2265                 biosC0[i] = NULL;
2266         }
2267         biosA0[0x3e] = psxBios_puts;
2268         biosA0[0x3f] = psxBios_printf;
2269
2270         biosB0[0x3d] = psxBios_putchar;
2271         biosB0[0x3f] = psxBios_puts;
2272
2273         if (!Config.HLE) return;
2274
2275         for(i = 0; i < 256; i++) {
2276                 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2277                 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2278                 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2279         }
2280
2281         biosA0[0x00] = psxBios_open;
2282         biosA0[0x01] = psxBios_lseek;
2283         biosA0[0x02] = psxBios_read;
2284         biosA0[0x03] = psxBios_write;
2285         biosA0[0x04] = psxBios_close;
2286         //biosA0[0x05] = psxBios_ioctl;
2287         //biosA0[0x06] = psxBios_exit;
2288         //biosA0[0x07] = psxBios_sys_a0_07;
2289         //biosA0[0x08] = psxBios_getc;
2290         //biosA0[0x09] = psxBios_putc;
2291         //biosA0[0x0a] = psxBios_todigit;
2292         //biosA0[0x0b] = psxBios_atof;
2293         //biosA0[0x0c] = psxBios_strtoul;
2294         //biosA0[0x0d] = psxBios_strtol;
2295         biosA0[0x0e] = psxBios_abs;
2296         biosA0[0x0f] = psxBios_labs;
2297         biosA0[0x10] = psxBios_atoi;
2298         biosA0[0x11] = psxBios_atol;
2299         //biosA0[0x12] = psxBios_atob;
2300         biosA0[0x13] = psxBios_setjmp;
2301         biosA0[0x14] = psxBios_longjmp;
2302         biosA0[0x15] = psxBios_strcat;
2303         biosA0[0x16] = psxBios_strncat;
2304         biosA0[0x17] = psxBios_strcmp;
2305         biosA0[0x18] = psxBios_strncmp;
2306         biosA0[0x19] = psxBios_strcpy;
2307         biosA0[0x1a] = psxBios_strncpy;
2308         biosA0[0x1b] = psxBios_strlen;
2309         biosA0[0x1c] = psxBios_index;
2310         biosA0[0x1d] = psxBios_rindex;
2311         biosA0[0x1e] = psxBios_strchr;
2312         biosA0[0x1f] = psxBios_strrchr;
2313         biosA0[0x20] = psxBios_strpbrk;
2314         biosA0[0x21] = psxBios_strspn;
2315         biosA0[0x22] = psxBios_strcspn;
2316         biosA0[0x23] = psxBios_strtok;
2317         biosA0[0x24] = psxBios_strstr;
2318         biosA0[0x25] = psxBios_toupper;
2319         biosA0[0x26] = psxBios_tolower;
2320         biosA0[0x27] = psxBios_bcopy;
2321         biosA0[0x28] = psxBios_bzero;
2322         biosA0[0x29] = psxBios_bcmp;
2323         biosA0[0x2a] = psxBios_memcpy;
2324         biosA0[0x2b] = psxBios_memset;
2325         biosA0[0x2c] = psxBios_memmove;
2326         biosA0[0x2d] = psxBios_memcmp;
2327         biosA0[0x2e] = psxBios_memchr;
2328         biosA0[0x2f] = psxBios_rand;
2329         biosA0[0x30] = psxBios_srand;
2330         biosA0[0x31] = psxBios_qsort;
2331         //biosA0[0x32] = psxBios_strtod;
2332         biosA0[0x33] = psxBios_malloc;
2333         biosA0[0x34] = psxBios_free;
2334         //biosA0[0x35] = psxBios_lsearch;
2335         //biosA0[0x36] = psxBios_bsearch;
2336         biosA0[0x37] = psxBios_calloc;
2337         biosA0[0x38] = psxBios_realloc;
2338         biosA0[0x39] = psxBios_InitHeap;
2339         //biosA0[0x3a] = psxBios__exit;
2340         biosA0[0x3b] = psxBios_getchar;
2341         biosA0[0x3c] = psxBios_putchar;
2342         //biosA0[0x3d] = psxBios_gets;
2343         //biosA0[0x40] = psxBios_sys_a0_40;
2344         //biosA0[0x41] = psxBios_LoadTest;
2345         biosA0[0x42] = psxBios_Load;
2346         biosA0[0x43] = psxBios_Exec;
2347         biosA0[0x44] = psxBios_FlushCache;
2348         //biosA0[0x45] = psxBios_InstallInterruptHandler;
2349         biosA0[0x46] = psxBios_GPU_dw;
2350         biosA0[0x47] = psxBios_mem2vram;
2351         biosA0[0x48] = psxBios_SendGPU;
2352         biosA0[0x49] = psxBios_GPU_cw;
2353         biosA0[0x4a] = psxBios_GPU_cwb;
2354         biosA0[0x4b] = psxBios_GPU_SendPackets;
2355         biosA0[0x4c] = psxBios_sys_a0_4c;
2356         biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2357         //biosA0[0x4e] = psxBios_GPU_sync;
2358         //biosA0[0x4f] = psxBios_sys_a0_4f;
2359         //biosA0[0x50] = psxBios_sys_a0_50;
2360         biosA0[0x51] = psxBios_LoadExec;
2361         //biosA0[0x52] = psxBios_GetSysSp;
2362         //biosA0[0x53] = psxBios_sys_a0_53;
2363         //biosA0[0x54] = psxBios__96_init_a54;
2364         //biosA0[0x55] = psxBios__bu_init_a55;
2365         //biosA0[0x56] = psxBios__96_remove_a56;
2366         //biosA0[0x57] = psxBios_sys_a0_57;
2367         //biosA0[0x58] = psxBios_sys_a0_58;
2368         //biosA0[0x59] = psxBios_sys_a0_59;
2369         //biosA0[0x5a] = psxBios_sys_a0_5a;
2370         //biosA0[0x5b] = psxBios_dev_tty_init;
2371         //biosA0[0x5c] = psxBios_dev_tty_open;
2372         //biosA0[0x5d] = psxBios_sys_a0_5d;
2373         //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2374         //biosA0[0x5f] = psxBios_dev_cd_open;
2375         //biosA0[0x60] = psxBios_dev_cd_read;
2376         //biosA0[0x61] = psxBios_dev_cd_close;
2377         //biosA0[0x62] = psxBios_dev_cd_firstfile;
2378         //biosA0[0x63] = psxBios_dev_cd_nextfile;
2379         //biosA0[0x64] = psxBios_dev_cd_chdir;
2380         //biosA0[0x65] = psxBios_dev_card_open;
2381         //biosA0[0x66] = psxBios_dev_card_read;
2382         //biosA0[0x67] = psxBios_dev_card_write;
2383         //biosA0[0x68] = psxBios_dev_card_close;
2384         //biosA0[0x69] = psxBios_dev_card_firstfile;
2385         //biosA0[0x6a] = psxBios_dev_card_nextfile;
2386         //biosA0[0x6b] = psxBios_dev_card_erase;
2387         //biosA0[0x6c] = psxBios_dev_card_undelete;
2388         //biosA0[0x6d] = psxBios_dev_card_format;
2389         //biosA0[0x6e] = psxBios_dev_card_rename;
2390         //biosA0[0x6f] = psxBios_dev_card_6f;
2391         biosA0[0x70] = psxBios__bu_init;
2392         biosA0[0x71] = psxBios__96_init;
2393         biosA0[0x72] = psxBios__96_remove;
2394         //biosA0[0x73] = psxBios_sys_a0_73;
2395         //biosA0[0x74] = psxBios_sys_a0_74;
2396         //biosA0[0x75] = psxBios_sys_a0_75;
2397         //biosA0[0x76] = psxBios_sys_a0_76;
2398         //biosA0[0x77] = psxBios_sys_a0_77;
2399         //biosA0[0x78] = psxBios__96_CdSeekL;
2400         //biosA0[0x79] = psxBios_sys_a0_79;
2401         //biosA0[0x7a] = psxBios_sys_a0_7a;
2402         //biosA0[0x7b] = psxBios_sys_a0_7b;
2403         //biosA0[0x7c] = psxBios__96_CdGetStatus;
2404         //biosA0[0x7d] = psxBios_sys_a0_7d;
2405         //biosA0[0x7e] = psxBios__96_CdRead;
2406         //biosA0[0x7f] = psxBios_sys_a0_7f;
2407         //biosA0[0x80] = psxBios_sys_a0_80;
2408         //biosA0[0x81] = psxBios_sys_a0_81;
2409         //biosA0[0x82] = psxBios_sys_a0_82;
2410         //biosA0[0x83] = psxBios_sys_a0_83;
2411         //biosA0[0x84] = psxBios_sys_a0_84;
2412         //biosA0[0x85] = psxBios__96_CdStop;
2413         //biosA0[0x86] = psxBios_sys_a0_86;
2414         //biosA0[0x87] = psxBios_sys_a0_87;
2415         //biosA0[0x88] = psxBios_sys_a0_88;
2416         //biosA0[0x89] = psxBios_sys_a0_89;
2417         //biosA0[0x8a] = psxBios_sys_a0_8a;
2418         //biosA0[0x8b] = psxBios_sys_a0_8b;
2419         //biosA0[0x8c] = psxBios_sys_a0_8c;
2420         //biosA0[0x8d] = psxBios_sys_a0_8d;
2421         //biosA0[0x8e] = psxBios_sys_a0_8e;
2422         //biosA0[0x8f] = psxBios_sys_a0_8f;
2423         //biosA0[0x90] = psxBios_sys_a0_90;
2424         //biosA0[0x91] = psxBios_sys_a0_91;
2425         //biosA0[0x92] = psxBios_sys_a0_92;
2426         //biosA0[0x93] = psxBios_sys_a0_93;
2427         //biosA0[0x94] = psxBios_sys_a0_94;
2428         //biosA0[0x95] = psxBios_sys_a0_95;
2429         //biosA0[0x96] = psxBios_AddCDROMDevice;
2430         //biosA0[0x97] = psxBios_AddMemCardDevide;
2431         //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2432         //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2433         //biosA0[0x9a] = psxBios_sys_a0_9a;
2434         //biosA0[0x9b] = psxBios_sys_a0_9b;
2435         //biosA0[0x9c] = psxBios_SetConf;
2436         //biosA0[0x9d] = psxBios_GetConf;
2437         //biosA0[0x9e] = psxBios_sys_a0_9e;
2438         biosA0[0x9f] = psxBios_SetMem;
2439         //biosA0[0xa0] = psxBios__boot;
2440         //biosA0[0xa1] = psxBios_SystemError;
2441         //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2442         //biosA0[0xa3] = psxBios_DequeueCdIntr;
2443         //biosA0[0xa4] = psxBios_sys_a0_a4;
2444         //biosA0[0xa5] = psxBios_ReadSector;
2445         //biosA0[0xa6] = psxBios_get_cd_status;
2446         //biosA0[0xa7] = psxBios_bufs_cb_0;
2447         //biosA0[0xa8] = psxBios_bufs_cb_1;
2448         //biosA0[0xa9] = psxBios_bufs_cb_2;
2449         //biosA0[0xaa] = psxBios_bufs_cb_3;
2450         biosA0[0xab] = psxBios__card_info;
2451         biosA0[0xac] = psxBios__card_load;
2452         //biosA0[0axd] = psxBios__card_auto;
2453         //biosA0[0xae] = psxBios_bufs_cd_4;
2454         //biosA0[0xaf] = psxBios_sys_a0_af;
2455         //biosA0[0xb0] = psxBios_sys_a0_b0;
2456         //biosA0[0xb1] = psxBios_sys_a0_b1;
2457         //biosA0[0xb2] = psxBios_do_a_long_jmp
2458         //biosA0[0xb3] = psxBios_sys_a0_b3;
2459         //biosA0[0xb4] = psxBios_sub_function;
2460 //*******************B0 CALLS****************************
2461         //biosB0[0x00] = psxBios_SysMalloc;
2462         //biosB0[0x01] = psxBios_sys_b0_01;
2463         biosB0[0x02] = psxBios_SetRCnt;
2464         biosB0[0x03] = psxBios_GetRCnt;
2465         biosB0[0x04] = psxBios_StartRCnt;
2466         biosB0[0x05] = psxBios_StopRCnt;
2467         biosB0[0x06] = psxBios_ResetRCnt;
2468         biosB0[0x07] = psxBios_DeliverEvent;
2469         biosB0[0x08] = psxBios_OpenEvent;
2470         biosB0[0x09] = psxBios_CloseEvent;
2471         biosB0[0x0a] = psxBios_WaitEvent;
2472         biosB0[0x0b] = psxBios_TestEvent;
2473         biosB0[0x0c] = psxBios_EnableEvent;
2474         biosB0[0x0d] = psxBios_DisableEvent;
2475         biosB0[0x0e] = psxBios_OpenTh;
2476         biosB0[0x0f] = psxBios_CloseTh;
2477         biosB0[0x10] = psxBios_ChangeTh;
2478         //biosB0[0x11] = psxBios_psxBios_b0_11;
2479         biosB0[0x12] = psxBios_InitPAD;
2480         biosB0[0x13] = psxBios_StartPAD;
2481         biosB0[0x14] = psxBios_StopPAD;
2482         biosB0[0x15] = psxBios_PAD_init;
2483         biosB0[0x16] = psxBios_PAD_dr;
2484         biosB0[0x17] = psxBios_ReturnFromException;
2485         biosB0[0x18] = psxBios_ResetEntryInt;
2486         biosB0[0x19] = psxBios_HookEntryInt;
2487         //biosB0[0x1a] = psxBios_sys_b0_1a;
2488         //biosB0[0x1b] = psxBios_sys_b0_1b;
2489         //biosB0[0x1c] = psxBios_sys_b0_1c;
2490         //biosB0[0x1d] = psxBios_sys_b0_1d;
2491         //biosB0[0x1e] = psxBios_sys_b0_1e;
2492         //biosB0[0x1f] = psxBios_sys_b0_1f;
2493         biosB0[0x20] = psxBios_UnDeliverEvent;
2494         //biosB0[0x21] = psxBios_sys_b0_21;
2495         //biosB0[0x22] = psxBios_sys_b0_22;
2496         //biosB0[0x23] = psxBios_sys_b0_23;
2497         //biosB0[0x24] = psxBios_sys_b0_24;
2498         //biosB0[0x25] = psxBios_sys_b0_25;
2499         //biosB0[0x26] = psxBios_sys_b0_26;
2500         //biosB0[0x27] = psxBios_sys_b0_27;
2501         //biosB0[0x28] = psxBios_sys_b0_28;
2502         //biosB0[0x29] = psxBios_sys_b0_29;
2503         //biosB0[0x2a] = psxBios_sys_b0_2a;
2504         //biosB0[0x2b] = psxBios_sys_b0_2b;
2505         //biosB0[0x2c] = psxBios_sys_b0_2c;
2506         //biosB0[0x2d] = psxBios_sys_b0_2d;
2507         //biosB0[0x2e] = psxBios_sys_b0_2e;
2508         //biosB0[0x2f] = psxBios_sys_b0_2f;
2509         //biosB0[0x30] = psxBios_sys_b0_30;
2510         //biosB0[0x31] = psxBios_sys_b0_31;
2511         biosB0[0x32] = psxBios_open;
2512         biosB0[0x33] = psxBios_lseek;
2513         biosB0[0x34] = psxBios_read;
2514         biosB0[0x35] = psxBios_write;
2515         biosB0[0x36] = psxBios_close;
2516         //biosB0[0x37] = psxBios_ioctl;
2517         //biosB0[0x38] = psxBios_exit;
2518         //biosB0[0x39] = psxBios_sys_b0_39;
2519         //biosB0[0x3a] = psxBios_getc;
2520         //biosB0[0x3b] = psxBios_putc;
2521         biosB0[0x3c] = psxBios_getchar;
2522         //biosB0[0x3e] = psxBios_gets;
2523         //biosB0[0x40] = psxBios_cd;
2524         //biosB0[0x41] = psxBios_format;
2525         biosB0[0x42] = psxBios_firstfile;
2526         biosB0[0x43] = psxBios_nextfile;
2527         biosB0[0x44] = psxBios_rename;
2528         biosB0[0x45] = psxBios_delete;
2529         //biosB0[0x46] = psxBios_undelete;
2530         //biosB0[0x47] = psxBios_AddDevice;
2531         //biosB0[0x48] = psxBios_RemoteDevice;
2532         //biosB0[0x49] = psxBios_PrintInstalledDevices;
2533         biosB0[0x4a] = psxBios_InitCARD;
2534         biosB0[0x4b] = psxBios_StartCARD;
2535         biosB0[0x4c] = psxBios_StopCARD;
2536         //biosB0[0x4d] = psxBios_sys_b0_4d;
2537         biosB0[0x4e] = psxBios__card_write;
2538         biosB0[0x4f] = psxBios__card_read;
2539         biosB0[0x50] = psxBios__new_card;
2540         biosB0[0x51] = psxBios_Krom2RawAdd;
2541         //biosB0[0x52] = psxBios_sys_b0_52;
2542         //biosB0[0x53] = psxBios_sys_b0_53;
2543         //biosB0[0x54] = psxBios__get_errno;
2544         //biosB0[0x55] = psxBios__get_error;
2545         biosB0[0x56] = psxBios_GetC0Table;
2546         biosB0[0x57] = psxBios_GetB0Table;
2547         biosB0[0x58] = psxBios__card_chan;
2548         //biosB0[0x59] = psxBios_sys_b0_59;
2549         //biosB0[0x5a] = psxBios_sys_b0_5a;
2550         biosB0[0x5b] = psxBios_ChangeClearPad;
2551         //biosB0[0x5c] = psxBios__card_status;
2552         //biosB0[0x5d] = psxBios__card_wait;
2553 //*******************C0 CALLS****************************
2554         //biosC0[0x00] = psxBios_InitRCnt;
2555         //biosC0[0x01] = psxBios_InitException;
2556         biosC0[0x02] = psxBios_SysEnqIntRP;
2557         biosC0[0x03] = psxBios_SysDeqIntRP;
2558         //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2559         //biosC0[0x05] = psxBios_get_free_TCB_slot;
2560         //biosC0[0x06] = psxBios_ExceptionHandler;
2561         //biosC0[0x07] = psxBios_InstallExeptionHandler;
2562         //biosC0[0x08] = psxBios_SysInitMemory;
2563         //biosC0[0x09] = psxBios_SysInitKMem;
2564         biosC0[0x0a] = psxBios_ChangeClearRCnt;
2565         //biosC0[0x0b] = psxBios_SystemError;
2566         //biosC0[0x0c] = psxBios_InitDefInt;
2567         //biosC0[0x0d] = psxBios_sys_c0_0d;
2568         //biosC0[0x0e] = psxBios_sys_c0_0e;
2569         //biosC0[0x0f] = psxBios_sys_c0_0f;
2570         //biosC0[0x10] = psxBios_sys_c0_10;
2571         //biosC0[0x11] = psxBios_sys_c0_11;
2572         //biosC0[0x12] = psxBios_InstallDevices;
2573         //biosC0[0x13] = psxBios_FlushStfInOutPut;
2574         //biosC0[0x14] = psxBios_sys_c0_14;
2575         //biosC0[0x15] = psxBios__cdevinput;
2576         //biosC0[0x16] = psxBios__cdevscan;
2577         //biosC0[0x17] = psxBios__circgetc;
2578         //biosC0[0x18] = psxBios__circputc;
2579         //biosC0[0x19] = psxBios_ioabort;
2580         //biosC0[0x1a] = psxBios_sys_c0_1a
2581         //biosC0[0x1b] = psxBios_KernelRedirect;
2582         //biosC0[0x1c] = psxBios_PatchAOTable;
2583 //************** THE END ***************************************
2584 /**/
2585         base = 0x1000;
2586         size = sizeof(EvCB) * 32;
2587         Event = (void *)&psxR[base]; base += size * 6;
2588         memset(Event, 0, size * 6);
2589         HwEV = Event;
2590         EvEV = Event + 32;
2591         RcEV = Event + 32 * 2;
2592         UeEV = Event + 32 * 3;
2593         SwEV = Event + 32 * 4;
2594         ThEV = Event + 32 * 5;
2595
2596         ptr = (u32 *)&psxM[0x0874]; // b0 table
2597         ptr[0] = SWAPu32(0x4c54 - 0x884);
2598
2599         ptr = (u32 *)&psxM[0x0674]; // c0 table
2600         ptr[6] = SWAPu32(0xc80);
2601
2602         memset(SysIntRP, 0, sizeof(SysIntRP));
2603         memset(Thread, 0, sizeof(Thread));
2604         Thread[0].status = 2; // main thread
2605
2606         jmp_int = NULL;
2607         pad_buf = NULL;
2608         pad_buf1 = NULL;
2609         pad_buf2 = NULL;
2610         pad_buf1len = pad_buf2len = 0;
2611         heap_addr = NULL;
2612         heap_end = NULL;
2613         CardState = -1;
2614         CurThread = 0;
2615         memset(FDesc, 0, sizeof(FDesc));
2616
2617         psxMu32ref(0x0150) = SWAPu32(0x160);
2618         psxMu32ref(0x0154) = SWAPu32(0x320);
2619         psxMu32ref(0x0160) = SWAPu32(0x248);
2620         strcpy((char *)&psxM[0x248], "bu");
2621 /*      psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2622         psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2623         psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2624         psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2625         psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2626 */
2627         // opcode HLE
2628         psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2629         psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2630         psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2631         psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2632         psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2633         psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2634         psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2635         psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2636         psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2637         psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2638
2639         // initial stack pointer for BIOS interrupt
2640         psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2641
2642         // initial RNG seed
2643         psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2644
2645         // fonts
2646         len = 0x80000 - 0x66000;
2647         uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2648         len = 0x80000 - 0x69d68;
2649         uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2650
2651         // memory size 2 MB
2652         psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2653
2654         hleSoftCall = FALSE;
2655 }
2656
2657 void psxBiosShutdown() {
2658 }
2659
2660 #define psxBios_PADpoll(pad) { \
2661         PAD##pad##_startPoll(pad); \
2662         pad_buf##pad[0] = 0; \
2663         pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2664         if (!(pad_buf##pad[1] & 0x0f)) { \
2665                 bufcount = 32; \
2666         } else { \
2667                 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2668         } \
2669         PAD##pad##_poll(0); \
2670         i = 2; \
2671         while (bufcount--) { \
2672                 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2673         } \
2674 }
2675
2676 void biosInterrupt() {
2677         int i, bufcount;
2678
2679 //      if (psxHu32(0x1070) & 0x1) { // Vsync
2680                 if (pad_buf != NULL) {
2681                         u32 *buf = (u32*)pad_buf;
2682
2683                         if (!Config.UseNet) {
2684                                 PAD1_startPoll(1);
2685                                 if (PAD1_poll(0x42) == 0x23) {
2686                                         PAD1_poll(0);
2687                                         *buf = PAD1_poll(0) << 8;
2688                                         *buf |= PAD1_poll(0);
2689                                         PAD1_poll(0);
2690                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2691                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2692                                 } else {
2693                                         PAD1_poll(0);
2694                                         *buf = PAD1_poll(0) << 8;
2695                                         *buf|= PAD1_poll(0);
2696                                 }
2697
2698                                 PAD2_startPoll(2);
2699                                 if (PAD2_poll(0x42) == 0x23) {
2700                                         PAD2_poll(0);
2701                                         *buf |= PAD2_poll(0) << 24;
2702                                         *buf |= PAD2_poll(0) << 16;
2703                                         PAD2_poll(0);
2704                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2705                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2706                                 } else {
2707                                         PAD2_poll(0);
2708                                         *buf |= PAD2_poll(0) << 24;
2709                                         *buf |= PAD2_poll(0) << 16;
2710                                 }
2711                         } else {
2712                                 u16 data;
2713
2714                                 PAD1_startPoll(1);
2715                                 PAD1_poll(0x42);
2716                                 PAD1_poll(0);
2717                                 data = PAD1_poll(0) << 8;
2718                                 data |= PAD1_poll(0);
2719
2720                                 if (NET_sendPadData(&data, 2) == -1)
2721                                         netError();
2722
2723                                 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2724                                         netError();
2725                                 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2726                                         netError();
2727                         }
2728                 }
2729                 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2730                         psxBios_PADpoll(1);
2731
2732                         if (NET_sendPadData(pad_buf1, i) == -1)
2733                                 netError();
2734
2735                         if (NET_recvPadData(pad_buf1, 1) == -1)
2736                                 netError();
2737                         if (NET_recvPadData(pad_buf2, 2) == -1)
2738                                 netError();
2739                 } else {
2740                         if (pad_buf1) {
2741                                 psxBios_PADpoll(1);
2742                         }
2743
2744                         if (pad_buf2) {
2745                                 psxBios_PADpoll(2);
2746                         }
2747                 }
2748
2749         if (psxHu32(0x1070) & 0x1) { // Vsync
2750                 if (RcEV[3][1].status == EvStACTIVE) {
2751                         softCall(RcEV[3][1].fhandler);
2752 //                      hwWrite32(0x1f801070, ~(1));
2753                 }
2754         }
2755
2756         if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2757                 int i;
2758
2759                 for (i = 0; i < 3; i++) {
2760                         if (psxHu32(0x1070) & (1 << (i + 4))) {
2761                                 if (RcEV[i][1].status == EvStACTIVE) {
2762                                         softCall(RcEV[i][1].fhandler);
2763                                 }
2764                                 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2765                         }
2766                 }
2767         }
2768 }
2769
2770 void psxBiosException() {
2771         int i;
2772
2773         switch (psxRegs.CP0.n.Cause & 0x3c) {
2774                 case 0x00: // Interrupt
2775 #ifdef PSXCPU_LOG
2776 //                      PSXCPU_LOG("interrupt\n");
2777 #endif
2778                         SaveRegs();
2779
2780                         sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2781
2782                         biosInterrupt();
2783
2784                         for (i = 0; i < 8; i++) {
2785                                 if (SysIntRP[i]) {
2786                                         u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2787
2788                                         s0 = queue[2];
2789                                         softCall(queue[1]);
2790                                 }
2791                         }
2792
2793                         if (jmp_int != NULL) {
2794                                 int i;
2795
2796                                 psxHwWrite32(0x1f801070, 0xffffffff);
2797
2798                                 ra = jmp_int[0];
2799                                 sp = jmp_int[1];
2800                                 fp = jmp_int[2];
2801                                 for (i = 0; i < 8; i++) // s0-s7
2802                                          psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2803                                 gp = jmp_int[11];
2804
2805                                 v0 = 1;
2806                                 pc0 = ra;
2807                                 return;
2808                         }
2809                         psxHwWrite16(0x1f801070, 0);
2810                         break;
2811
2812                 case 0x20: // Syscall
2813 #ifdef PSXCPU_LOG
2814                         PSXCPU_LOG("syscall exp %x\n", a0);
2815 #endif
2816                         switch (a0) {
2817                                 case 1: // EnterCritical - disable irq's
2818                                         psxRegs.CP0.n.Status &= ~0x404;
2819 v0=1;   // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2820                                         break;
2821
2822                                 case 2: // ExitCritical - enable irq's
2823                                         psxRegs.CP0.n.Status |= 0x404;
2824                                         break;
2825                         }
2826                         pc0 = psxRegs.CP0.n.EPC + 4;
2827
2828                         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2829                                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2830                         return;
2831
2832                 default:
2833 #ifdef PSXCPU_LOG
2834                         PSXCPU_LOG("unknown bios exception!\n");
2835 #endif
2836                         break;
2837         }
2838
2839         pc0 = psxRegs.CP0.n.EPC;
2840         if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2841
2842         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2843                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2844 }
2845
2846 #define bfreeze(ptr, size) { \
2847         if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2848         if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2849         base += size; \
2850 }
2851
2852 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2853 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2854
2855 #define bfreezepsxMptr(ptr, type) { \
2856         if (Mode == 1) { \
2857                 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2858                 else psxRu32ref(base) = 0; \
2859         } else { \
2860                 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2861                 else (ptr) = NULL; \
2862         } \
2863         base += sizeof(u32); \
2864 }
2865
2866 void psxBiosFreeze(int Mode) {
2867         u32 base = 0x40000;
2868
2869         bfreezepsxMptr(jmp_int, u32);
2870         bfreezepsxMptr(pad_buf, int);
2871         bfreezepsxMptr(pad_buf1, char);
2872         bfreezepsxMptr(pad_buf2, char);
2873         bfreezepsxMptr(heap_addr, u32);
2874         bfreezel(&pad_buf1len);
2875         bfreezel(&pad_buf2len);
2876         bfreezes(regs);
2877         bfreezes(SysIntRP);
2878         bfreezel(&CardState);
2879         bfreezes(Thread);
2880         bfreezel(&CurThread);
2881         bfreezes(FDesc);
2882         bfreezel(&card_active_chan);
2883 }